Welcome to DJ Technical Consultants your professional LPGas consultants, Gas Installations technicians and gas appliance service / maintenance technicians for professional gas installations, gas appliance repair or in need of a gas certificate in Johannesburg, Pretoria, Sandton, East rand and West rand don't look any further than here we are qualified to do any installation at any residents or commercial property with over 30 years of experience in the LPG industry.